Biology, 13.09.2019 04:20 mustafajibawi1
What is the basis for the difference in how the leading and lagging strands of dna molecules are synthesized?
a. the origins of replication occur only at the 5β² end.
b. helicases and single-strand binding proteins work at the 5β² end.
c. dna polymerase can join new nucleotides only to the 3β² end of a pre-existing strand.
d. dna ligase works only in the 3β² -> 5β² direction
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